 | Payot, Betchaida, Arai, Shoji, Yoshikawa, Masako, Tamura, Akihiro, Okuno, Mitsuru, Rivera, Danikko (2018) Mantle Evolution from Ocean to Arc: The Record in Spinel Peridotite Xenoliths in Mt. Pinatubo, Philippines. Minerals, 8 (11) 515 doi:10.3390/min8110515 | Journal (article/letter/editorial) | | Record in Spinel Peridotite Xenoliths in Mt. Pinatubo, Philippines Betchaida D. Payot 1, *, Shoji Arai 2 ,...Sciences, University of the Philippines, Diliman, Quezon City 1101, Philippines Department of Earth Sciences...Volcanology and Seismology, Diliman, Quezon City 1101, Philippines; danikkorivera@gmail.com Correspondence: bdpayot@up...flow deposits located close to the summit of Mt. Pinatubo. Spinel harzburgite is the most dominant lithology...mantle wedge. Keywords: xenoliths; Mt. Pinatubo; Philippines; mantle wedge; abyssal lherzolite; arc harzburgite |  | | Journal (article/letter/editorial) | | Oxidized sulfur-rich mafic magma at Mount Pinatubo, Philippines Received: 16 January 2003 / Accepted:...early stages of the 1991 eruption of Mount Pinatubo, Philippines, contain amphiboles that crystallized...releasing sulfur from the melt are not applicable to Pinatubo. Instead, the oxidized state of the dacitic magma...reïŹects that of parental maïŹc magma and the source region in the sub-arc mantle. Our results ïŹt a model in...disproportionate sulfur output during the 1991 Mt. Pinatubo eruption suggests that oxidized maïŹc melt is an |  | Jego, Sebastien, Maury, RenĂ© C., PolvĂ©, Mireille, Yumul, Graciano P., Bellon, Herve, Tamayo, Rodolfo A., Cotten, Joseph (2005) Geochemistry of Adakites from the Philippines: Constraints on Their Origins. Resource Geology, 55 (3) 163-188 doi:10.1111/j.1751-3928.2005.tb00239.x | Journal (article/letter/editorial) | | 163â187, 2005 Geochemistry of Adakites from the Philippines: Constraints on Their Origins Sebastien JEGO...Sciences, University of the Philippines, Diliman, 1101 Quezon City, Philippines **** Philippine Council for...Development-DOST, Gen. Santos Avenue, Bicutan, 1631 Taguig, Philippines Received on April 1, 2005; accepted on July 12...along the Manila Trench (Batan, Northern Luzon, Central Luzon), the Negros and Sulu Trenches (Negros and...Philippine Trench (Eastern Mindanao). Lavas from Central Mindanao overlie the deep remnants of the Molucca |  | | Journal (article/letter/editorial) | | 381â411 1999 The 15 June 1991 Eruption of Mount Pinatubo. I. Phase Equilibria and Pre-eruption PâTâf...ejected during the 15 June 1991 eruption of Mt Pinatubo, to define the pre-eruption conditions of this...the dacite was already oxidized. KEY WORDS: Pinatubo; sulfur; arc-magmas; f O2; water INTRODUCTION...Mt) ejected in the 15 June 1991 eruption of Mount Pinatubo and the ensuing climatic effects (Bluth et...of S-bearing phase relations in arc magmas. The Pinatubo volcano ejected between 6000 and 10 000 Mt of |  | Jakubowski, Ryan T., Fournelle, John, Welch, Sue, Swope, R. J., Camus, Patrick (2002) Evidence for magmatic vapor deposition of anhydrite prior to the 1991 climactic eruption of Mount Pinatubo, Philippines. American Mineralogist, 87 (8) 1029-1045 doi:10.2138/am-2002-8-901 | Journal (article/letter/editorial) | | prior to the 1991 climactic eruption of Mount Pinatubo, Philippines RYAN T. JAKUBOWSKI,1,* JOHN FOURNELLE...ABSTRACT Anhydrite (CaSO4) phenocrysts from Mount Pinatubo pumices show evidence of having responded dynamically...the magma at depth. At least a portion of the Pinatubo anhydrite phenocrysts provided substrates for...such as Nevado del Ruiz (Fournelle 1990) and Mount Pinatubo. It has been predicted experimentally that...1984). Mount Pinatubo pumice: chemistry and mineralogy Beginning in mid-March 1991, Mt. Pinatubo, a composite |  | | Journal (article/letter/editorial) | | and one calc-alkaline composition) from the Philippines. The experiments were performed over a fO2 range...and epithermal and porphyry-type deposits is the central question addressed in this paper. We approach the... (2005; see below), all from the North Luzon arc, Philippines (Fig. 1a; bulk rock compositions in Table...Table 1). Recent (<20 Ma) magmatism in the North Luzon arc is linked to the current subduction of the South...rocks selected all come from this recent North Luzon magmatism. They have ages < 3 Ma (Table 1). Diorite |  | | Journal (article/letter/editorial) | | andesite-rhyolite 5â40 B20 B5 B25 tr Iriga Philippines Basalt-andesite 7â23 B5 B10 1â9 Btr B2...1â5 B1 11 12 Lassen Mt. Bulusan California Philippines Andesite-dacite Basaltic andesite-rhyolite ...Basalt tr-24 B4 B12 B8 B3 B1 20 Pinatubo Philippines Basalt-dacite 13â29 9â35 B6 B19 21...Reventador, Ecuador; Shiveluch, Kamchatka; Pinatubo, Philippines; Rindjani, Indonesia; Egmont, New Zealand)...(New Zealand; Stewart et al. 1996), Mt. Butay (Philippines; Castillo et al. 1999), Narcondam (India; Pal |  | | Journal (article/letter/editorial) | | pages 625-629, 1997 LETTERS The redox state of Pinatubo dacite and the ilmenite-hematite solvus BnnNann...France Ansrn.lcr The oxidation state of the l99l Pinatubo dacite and many other oxidized silicic arc volcanic...compositions of magnetite and ferrian ilmenite found in Pinatubo dacite by doing crystallization experimentsat...compositions (mg no.) of olivine, orthopyroxene, and cummingtonite provide upper limits to possible values of ...temperature,relativefo,, andcomposition of cummingtonite with values for these same variables derived |  | | Journal (article/letter/editorial) | | by Jones et al. (1967). Igneous activity in the region began in the Late Cretaceous with the intrusion...intergrowths similar to those described from Mt. Pinatubo (Baker and Rutherford, 1996; Pallister et al....a laboratory experiment of anhydrite-saturated Pinatubo dacite at 760 jC, 2200 bar, and MNO-buffered oxygen...ââSR8ââ-similar experimental run products of Mt. Pinatubo dacite with the assemblage hornblende + magnetite...comparison, the sulfur-rich magmas erupted from Mt. Pinatubo and El ChichoÌn contained 1000â 4000 and 5000 |  | De Angelis, Sarah H., Larsen, Jessica F., Coombs, Michelle L., Utley, James E. P., Dunn, Andrew (2020) Phase equilibrium of a high-SiO2 andesite at $$f_{{0_{2} }}$$f02 â=âRRO: implications for Augustine Volcano and other high-$$f_{{0_{2} }}$$f02 arc andesites. Contributions to Mineralogy and Petrology, 175 (3) doi:10.1007/s00410-020-1663-6 | Journal (article/letter/editorial) | | accompanied by biotite and small amounts of cummingtonite at T †850 °C. The relatively high temperature...most comprehensively monitored and studied in the region (Power et al. 2010). 13 Vol.:(0123456789) 24...volcanoes. Inset map shows Alaska with the Cook Inlet region highlighted The three most recent eruptions of...indicates that Augustine has a complex crustal storage region comprising interconnected dikes and sills (De Angelis...stability for low temperature quartz, biotite, and cummingtonite, likely because of the higher f02 used. Therefore |  | Hidalgo, Paulo J., Vogel, Thomas A., Rooney, Tyrone O., Currier, Ryan M., Layer, Paul W. (2011) Origin of silicic volcanism in the Panamanian arc: evidence for a two-stage fractionation process at El Valle volcano. Contributions to Mineralogy and Petrology, 162 (6) 1115-1138 doi:10.1007/s00410-011-0643-2 | Journal (article/letter/editorial) | | May 2011 Ă Springer-Verlag 2011 Abstract In the Central American Volcanic Arc, adakitelike volcanism has...magma-type as well as to contrast its origin with other Central American silicic magmas. The Quaternary volcanic...K2O/Na2O, when compared with other Quaternary Central American volcanics at similar SiO2. These chemical...research is part of a series of studies in the Central American Volcanic Arc (CAVA) that focus on the...Vogel et al. 2004, 2006; Deering et al. 2007). This region is of importance because it has developed some |  | | Journal (article/letter/editorial) | | evolution recorded in plagioclase zoning in 1991 Pinatubo eruption products Kirxo Hlrronrr lxo Hrnoaxr...Plagioclase,the most abundant phenocrystat Mount Pinatubo, displaysvarying textures and compositions...Plinian eruption on June 15, 1991, from Mount Pinatubo, Philippines,released-20 Mt (l Mt : lO''zg) of SO...<50/oof a magma thought to be remaining beneath Mount Pinatubo after the eruption (Mori et al. 1993,1996)...mode of mafic and felsic magma interaction at Pinatubo, which led to the cataclysmic eruption on J u |  | | Journal (article/letter/editorial) | | Keywords: Amphibole, crystal growth, crystal mush, cummingtonite, geothermometry, geobarometry introduCtion...cone-forming volcanism in the north and south, and a central region characterized by rhyolitic caldera-forming...1). Since the inception of volcanism in this central region, 1.6 Ma, >6000 km3 of rhyolitic magma has erupted...Location of the central Taupo Volcanic Zone (TVZ) North Island, New Zealand. (b) The central Taupo Volcanic...to magnesiohornblende or cummingtonite at the rims. Individual cummingtonite crystals (<250 ”m) also occur |  | | Journal (article/letter/editorial) | | long-range order of Fe2+ and Mg on the M-sites of cummingtonite-grunerite and anthophyllite may be considered...order-disorder. End-member thermodynamic properties of cummingtonite and ferroanthophyllite are derived from those...XFe †0.1. LnKD for Fe-Mg exchange between cummingtonite and anthophyllite passes through zero at XFe...marginally stable with respect to end-member cummingtonite, and the addition of Ca renders the breakdown...monoclinic cummingtonite-grunerite (predominantly C2/m, but P21/ m in low-temperature cummingtonite) and orthorhombic |  | | Journal (article/letter/editorial) | | 649-663, 1995 Thermodynamicsand petrology of cummingtonite* BrnNlnn W. Ev,lxs. M.q,RKS. GHronso Departmentof...Seattle,Washington98195,U.S.A. Ansrucr Natural cummingtonite encompassesvirtually the entire compositional...full range for cummingtonite is at least 400-800 'C and < I - I 5 kbar. Cummingtonite is also a critical...magma chambers. The solution properties of cummingtonite reflect the entropic and enthalpic consequencesof...sites appearsto be site dependent. Magnesio-cummingtonite from 0 to about l0o/ogrunerite is less stable |  | | Journal (article/letter/editorial) | | Mg likely fill the remaining M4 space as a cummingtonite substitution, which is common in amphiboles...particularly high cummingtonite component places our experimental amphiboles in a compositional region, unoccupied...to be a solvus between calcic amphibole and cummingtonite (Robinson et al. 1981). Such compositions likely...cooling rates produced pyroxenes in the solvus region between augite and pigeonite (Grove and Bence 1979)...and Rutherford, M.J. (1992) Cummingtonite and the evolution of the Mount St. Helens (Washington) magma |  | | Journal (article/letter/editorial) | | INDUSTRIAL SCIENCE AND TECHNOLOGY (AIST), TSUKUBA CENTRAL 7, 1-1-1 HIGASHI, TSUKUBA, IBARAKI, 305-8567, JAPAN...http://petrology.oxfordjournals.org/ at National Central University Library on May 10, 2015 AKIHIKO TOMIYA1...http://petrology.oxfordjournals.org/ at National Central University Library on May 10, 2015 Reconstruction...for magma chambers are still rather limited (e.g. Mount St. Helens: Rutherford et al., 1985; Rutherford...Fish Canyon Tuff: Johnson & Rutherford, 1989; Pinatubo: Rutherford & Devine, 1996; Scaillet & Evans, |  | RodrĂguez, Carolina, SellĂ©s, Daniel, Dungan, Michael, Langmuir, Charles, Leeman, William (2007) Adakitic Dacites Formed by Intracrustal Crystal Fractionation of Water-rich Parent Magmas at Nevado de LongavĂ Volcano (36·2°S; Andean Southern Volcanic Zone, Central Chile) Journal of Petrology, 48 (11) 2033-2061 doi:10.1093/petrology/egm049 | Journal (article/letter/editorial) | | Volcano (3628S; Andean SouthernVolcanic Zone, Central Chile) UNIVERSITE€ DE GENE'VE, DE€PARTEMENT DE...chemically distinct from other evolved magmas of the region in that they have high La/Yb (15^20) and Sr/Y (60^90)...plate margins originates in the high-temperature region of the asthenospheric mantle wedge as a consequence...position of the SVZ relative to the Northern, Central, and Austral Volcanic zones (NVZ, CVZ, and AVZ...primarily of thick andesitic flows that radiate from a central vent. Basalts and basaltic andesites predominate |  | | Journal (article/letter/editorial) | | Geological Society 48/1Â2(2003) Constraints on cummingtonite crystallization in the GĂȘsiniec Intrusive (Strzelin...chlorite, albite, alkali feldspar, prehnite). Cummingtonite occurs within both dark tonalites. The dark...Morphology and chemical composition of cummingtonite Cummingtonite forms mantles around hornblende cores...The individual grains of cummingtonite are scarce. The rims of cummingtonite grains are often replaced...sulfide grains occur at the contact between cummingtonite mantle and hornblende core. Scarce monazite |  | | Journal (article/letter/editorial) | | stratocone situated on the eastern edge of the Central Kamchatka Depression, where the Shchapinsky graben...historically active volcanoes (open triangles), the Central Kamchatkan Depression (dark shading), the Kamchatka...orthopyroxene, Fe-Ti oxides, and hornblende. Shaded region represents range of pre-eruptive temperatures based...based on Fe-Ti oxide geothermometry. Patterned region is estimated pre-eruption storage conditions where...varied significantly over the past 4000 years at Mount St Helens (USA), where magma emplacement depths |  | | Journal (article/letter/editorial) | | Ecuador; Apacheta-Aguilucho Volcanic Complex, Andean Central Volcanic Zone, Chile; Cerro Jeu-JepeÌn pluton,...magnesiohornblende is in solid solution with cummingtonite (i.e. typical low-Ca amphibole of highly differentiated...amphiboles from calc-alkaline volcanic rocks of Mount St. Helens (Washington), SoufrieÌre Hills (West...Oxidized sulfur-rich mafic magma at Mount Pinatubo, Philippines. Contrib Mineral Petrol 146:750â761 De...Ghiorso MS (1995) Thermodynamics and petrology of cummingtonite. Am Mineral 80:649â663 Faccenna C, Becker TW |  | | Journal (article/letter/editorial) | | growth produced by continuous decompression of Pinatubo magma Kenneth S. Befus1 · Benjamin J. Andrews2...using starting material from the climactic 1991 Pinatubo eruption. We decompressed experiments from 220...Disequilibrium · Crystallization · Decompression · Pinatubo · Microlite Introduction The rate of magmatic...magma from the 1991 climatic eruption of Pinatubo. The Pinatubo system provides an excellent case study...endmember. The magmatic conditions of the 1991 Pinatubo eruption are very well constrained by geophysical |  | | Journal (article/letter/editorial) | | Ascent-driven crystallisation of dacite magmas at Mount St Helens, 1980±1986 Received: 30 July 1999 / Accepted:...glasses in dacites from the 1980±1986 eruption of Mount St Helens volcano (WA) span a wide range in SiO2...km. We argue that the crystallisation history of Mount St Helens dacite magma was largely a consequence...crystallisation sequence and phenocryst modes of Mount St Helens dacites from 18 May 1980. By allowing...glass compositions from the 1980±1986 eruption of Mount St Helens. We then compare groundmass glass compositions |  | | Journal (article/letter/editorial) | | electron microprobe data for a highly aluminous cummingtonite grading compositionally into clinogedrite (ANa...1.1) that was grown from fused and S-augmented Pinatubo dacite in the laboratory at 780 ÂșC, 2.2 and 3...clinoferrogedrite, gedrite, clinogedrite, Al-cummingtonite, Al-grunerite, BIF, Duluth complex aureole ...counterparts of orthorhombic MgFe-amphibole, cummingtonite (C2/m or P21/m) and grunerite (C2/m), appear...classification of Leake et al. (1997). Volcanic cummingtonite, which forms in silicic and intermediate volcanic |  | Shimizu, Kei, Liang, Yan, Sun, Chenguang, Jackson, Colin R.M., Saal, Alberto E. (2017) Parameterized lattice strain models for REE partitioning between amphibole and silicate melt. American Mineralogist, 102 (11) 2254-2267 doi:10.2138/am-2017-6110 | Journal (article/letter/editorial) | | (780â1100 °C). (The amphibole formed at 730 °C is cummingtonite unlike the magnesio-hornblende formed at slightly...geochemistry of the 1991 eruption products of Mount Pinatubo. In R.S. Punongbayan and C.G. Newhall, Eds...Fire and Mud: Eruptions and lahars of Mount Pinatubo, Philippines, 767â797. University of Washington Press...changing magma storage prior to explosive eruptions of Mount St. Helens volcano. Bulletin of Volcanology, 57(1)...2(2), 173â480. Heliker, C. (1995) Inclusions in Mount St. Helens dacite erupted from 1980 through 1983 |
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